Lesson: Existence of Limits Mathematics • Second Year of Secondary School

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In this lesson, we will learn how to determine whether the limit of a function at a certain value exists.

Students will be able to

understand the conditions required for a one-sided limit to exist,
understand the conditions required for a limit to exist,
understand that equating a limit (or a one-sided limit) to infinity is a certain way of expressing that the limit does not exist,
find the limit of a real function in cases where the limit does exist.